Academic Decathlon
A series of competitions that includes giving speeches, writing an essay, and taking exams in art, economics, literature, math, music, science, and social science.Grade: 9th - 12th Deadline: Varies by area

Davidson Fellows
The Davidson Fellows Scholarship awards scholarships to extraordinary young people who have completed a significant piece of work. Application categories are Science, Technology, Engineering, Mathematics, Literature, Music, Philosophy and Outside the Box.Ages: 18 and younger Deadline: February

DECA Challenges
DECA's Challenges provide DECA members (and non-members) opportunities to demonstrate the knowledge and skills learned in the classroom through innovative challenges in partnership with several corporate partners. Each challenge has a unique focus and specific set of require tasks.Grade: K - 12th Deadline: Varies by contest

Destination Imagination
A Destination ImagiNation Challenge is an open-ended exercise that prompts students to use creativity and teamwork to solve a problem. Every season, teams of up to seven members focus on designing and creating solutions to challenges.Grades: K - 12th Deadline: March

Kids Philosophy Slam
Students are asked to write, create poetry, music or artwork regarding a
philosophical question posed each year. Homeschoolers and special needs children are encouraged to
enter.Grade: K - 12th Deadline: February

National Marbles Tournament
This is a national marbles contest, open to contestants who have won a locally recognized marbles contest. Held in New Jersey.Ages: 7 - 15 Deadline: June

Odyssey of the Mind
Odyssey of the Mind is an international creative problem-solving program that engages students in their learning by allowing their knowledge and ideas to come to life in an exciting, productive environment.Grade: K - 12th Deadline: Varies by local organization, usually in December or January

STEM Video Game Challenge
Inspired by the Educate to Innovate Campaign, President Obama's initiative to promote a renewed focus on Science, Technology, Engineering, and Math (STEM) education, the National STEM Video Game Challenge is a multi-year competition whose goal is to motivate interest in STEM learning among Americaâ€™s youth by tapping into studentsâ€™ natural passion for playing and making video games.Grades: 6th - 12th Deadline: January